I keep seeing this error: _tkinter.TclError: image "pyimage1" doesn't exist My code (important parts): self.see = ctk.CTkImage(dark_image=img.open("./icons/see.ico")) self.unsee = ctk.CTkImage(dark_image=img.open("./icons/unsee.ico")) self.white = ctk.CTkImage(dark_image=img.open("./icons/White.ico")) self.dark = ctk.CTkImage(dark_image=img.open("./icons/Dark.ico")) showPass = ctk.CTkButton( master=self.loginFrame, text="", command=lambda:[self.seePass(passwordEntry, showPass)], font=("RobotoSlab", 12), fg_color='#343638', hover_color='#343638', corner_radius=50, height=10, width=10, image=self.see ) Have tried change the img or the way that i declare them. Continue reading...